16882100

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:836

約数の個数: 36

約数和(自身を含む): 36812748

約数和(自身を除く): 19930648

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 421, 802, 842, 1604, 1684, 2005, 2105, 4010, 4210, 8020, 8420, 10025, 10525, 20050, 21050, 40100, 42100, 168821, 337642, 675284, 844105, 1688210, 3376420, 4220525, 8441050, 16882100]

約数ペア:

[(1, 16882100), (2, 8441050), (4, 4220525), (5, 3376420), (10, 1688210), (20, 844105), (25, 675284), (50, 337642), (100, 168821), (401, 42100), (421, 40100), (802, 21050), (842, 20050), (1604, 10525), (1684, 10025), (2005, 8420), (2105, 8020), (4010, 4210)]